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Redis: possible to expire an element in an array or sorted set?
...tire key/value pair? What if I want to add values to a List type structure and have them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually?
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Get top 1 row of each group
...nt to:
maintain status in 2 places
preserve status history
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As it stands, you preserve status history. If you want latest status in the parent table too (which is denormalisation) you'd need a trigger to maintain "status" in the parent. or drop this status history table.
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How do I use HTML as the view engine in Express?
I tried this simple change from the seed and created the corresponding .html files (e.g. index.html).
16 Answers
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What is the difference between pull and clone in git?
What is the difference between doing (after mkdir repo and cd repo ):
11 Answers
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Change Tomcat Server's timeout in Eclipse
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+1, all these years and I never knew that Server in the Servers tab was clickable and expandable. I was assuming right click had all the options available!
– Walls
Jul 30 '15 at 12:28
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Override intranet compatibility mode IE8
...hanging the meta header to IE8, but it doesn't acknowledge the meta header and just uses the browser setting. Does anyone know how to disable this?
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MySQL Creating tables with Foreign Keys giving errno: 150
...e the primary keys in 2 other tables, but I am getting an errno: 150 error and it will not create the table.
20 Answers
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How to flush output of print function?
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sys.stdout.flush() working for both 2.x and 3.x
– user3713719
Sep 3 at 2:49
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What does iterator->second mean?
...const X, Y>s. That's exactly what a map is - it pairs together the keys and the associated values.
When you iterate over a std::map, you're iterating over all of these std::pairs. When you dereference one of these iterators, you get a std::pair containing the key and its associated value.
std::...
How to get object size in memory? [duplicate]
... edited Mar 22 '18 at 14:12
Rand Random
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answered Jul 4 '10 at 3:08
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